7 papers
Identifying the structure of La3Ni2O7 in the pressurized superconducting state
Hengyuan Zhang, Jielong Zhang, Mengwu Huo +6
The crystal structure of La3Ni2O7 in its high-pressure superconducting state has been the subject of intense debate, with conflicting reports proposing orthorhombic (Amam or Fmmm)…
Dissecting superconductivity in the Ruddlesden-Popper nickelates: The role of electron correlation and interlayer magnetic exchange
Xiaoyang Chen, Zezhong Li, Mei Xie +9
The discovery of superconductivity in the Ruddlesden-Popper (RP) nickelates has opened a new chapter in the search for high superconducting transition temperatures ()…
Electronic Origin of Density Wave Orders in a Trilayer Nickelate
Jiangang Yang, Jun Zhan, Taimin Miao +24
The discovery of superconductivity in Ruddlesden-Popper nickelates has established a new frontier in the study of high-temperature superconductors. However, the underlying pairing…
Collapse of density wave and emergence of superconductivity in pressurized-LaNiO evidenced by ultrafast spectroscopy
Shuxiang Xu, Hao Wang, Mengwu Huo +7
Recent discoveries of superconductivity in Ruddlesden-Popper nickelates realize a rare category of superconductors. However, the use of high-pressure diamond anvil cells limits spe…
Revealing nanoscale structural phase separation in LaNiO single crystal via scanning near-field optical microscopy
Xiaoxiang Zhou, Weihong He, Kaipeng Ni +16
The discovery of superconductivity in La3Ni2O7- under high pressure,with an onset critical temperature around 80 K, has sparked significant interest in the superconducting phas…
Identification of the superconductivity in bilayer nickelate LaNiO upon 100 GPa
Jingyuan Li, Di Peng, Peiyue Ma +14
Identification of superconductivity in the Ruddlesden-Popper phases of nickelates under high pressure remains challenging. Here, we report a comprehensive study of the crystal stru…